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Authors
Su, Jun
Zhang, Yu-qing
Shao, Di
Wang, Jia-min
Hao, Wei
Liu, Yan-xiu
Wang, Long
Sun, Xiao-jie https://orcid.org/0000-0002-3693-3203
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (31900785)
Shenzhen Henghui Charity Foundation (SK220038)
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Article History
Received: 18 September 2024
Accepted: 6 March 2025
First Online: 17 March 2025
Declarations
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: The research adhered to the ethical guidelines of the Declaration of Helsinki. Approval was granted by the Medical Ethics Committee of the Center for Health Management and Policy Research at Shandong University (No. ECSHCMSDU 20211101). Before starting the survey, the researchers explained its goals and details to the child’s caregivers and began only after receiving their informed consent.
: Not applicable.
: The authors declare no competing interests.
